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fastener-steel threaded rod Material: Mainly by low Carbon steel, Stainless steel Surface treatment: Bear outlook, galvanized, heat galvanizing, blackened. Grade: 4.8 8.8 Standard: DIN, ANSI/ASME, BSW, GB, (UNC, UNF) Diameter: M3-M52 or 3/16''-1-7/8" Length: 30MM-3000MM Packing: Standard export packing or According to customers' demand
